US9012358B2 - Monolithic reactor - Google Patents

Monolithic reactor Download PDF

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Publication number
US9012358B2
US9012358B2 US13/580,920 US201213580920A US9012358B2 US 9012358 B2 US9012358 B2 US 9012358B2 US 201213580920 A US201213580920 A US 201213580920A US 9012358 B2 US9012358 B2 US 9012358B2
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United States
Prior art keywords
monolith catalyst
catalyst carrier
monolith
skirt
container
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US13/580,920
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US20140018451A1 (en
Inventor
Timothy Douglas Gamlin
Richard Spratt
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Johnson Matthey Davy Technologies Ltd
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Davy Process Technology Ltd
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Assigned to DAVY PROCESS TECHNOLOGY LIMITED reassignment DAVY PROCESS TECHNOLOGY LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GAMLIN, TIMOTHY DOUGLAS, SPRATT, Richard
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Assigned to JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED reassignment JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DAVY PROCESS TECHNOLOGY LIMITED
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
    • B01J15/005—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/248—Reactors comprising multiple separated flow channels
    • B01J19/2485—Monolithic reactors
    • B01J35/04—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24—Stationary reactors without moving elements inside
    • B01J2219/2401—Reactors comprising multiple separate flow channels
    • B01J2219/2402—Monolithic-type reactors
    • B01J2219/2423—Separation means, e.g. membrane inside the reactor
    • B01J2219/2424—Wall-flow filter, e.g. adjacent cells closed alternatively at their end to force the reactant stream through the walls of the monolith
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24—Stationary reactors without moving elements inside
    • B01J2219/2401—Reactors comprising multiple separate flow channels
    • B01J2219/2402—Monolithic-type reactors
    • B01J2219/2441—Other constructional details
    • B01J2219/2443—Assembling means of monolith modules
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/52711—Monolith of peculiar structure or physical form, with specified heat exchange capability
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/52724—Peculiar structure or physical form, e.g. foam, sponge, foil, sack, bag, fiber in a matrix, monolith, microstructure, microcracking, or microaggregates

Definitions

  • the present invention relates to a catalyst carrier for use in a tubular reactor. More particularly, it relates to a catalyst carrier for use in a tubular reactor in which an exothermic or an endothermic reaction is to be carried out. Still more particularly, it relates to a catalyst carrier for use in a reactor for carrying out an exothermic or endothermic reaction comprising a plurality of said catalyst carriers.
  • Tubular reactors comprise tubes, which are usually cylindrical, and which are usually randomly filled with catalyst particles.
  • a heat transfer means will be located outside these tubes. During operation, gas, liquid, or both gas and liquid flows through the tubes over the catalyst particles such that the desired reaction takes place.
  • a second problem is that the catalyst particles have to be a certain size, shape and strength so as not to cause an undue pressure drop for an appropriate tube length and in general this leads to the use of larger catalyst particles. This in itself may be problematic where the reaction is mass or heat transfer limited, or both. Whilst some of these problems may be alleviated by ensuring that the active sites are only present near the surface of the catalyst particle, this can limit the productivity that can be achieved since the available active sites have to be worked harder to deliver a reasonable overall productivity which can reduce the life of the catalyst.
  • a solution to this problem is provided in GB application no 0918426.0 by a catalyst carrier device which is configured to sit within the reactor tube and which in use optimises heat transfer at the tube wall such that larger tubes can be used with larger volumes of smaller catalyst particles and such that the reactor can be operated at high productivity even in exothermic or endothermic reactions, and with an acceptable pressure drop.
  • the described arrangement provides a catalyst carrier for insertion in a tube of a tubular reactor comprising:
  • a monolith catalyst carrier for insertion in a tube of a tubular reactor comprising:
  • any discussion of orientation for example terms such as upwardly, below, lower, and the like have, for ease of reference been discussed with regard to the orientation of the catalyst carrier as illustrated in the accompanying drawings.
  • the catalyst carrier of the present invention could also be used in an alternative orientation for example horizontally.
  • the terms should be constructed accordingly.
  • the container will generally be sized such that it is of a smaller dimension than the internal dimension of the reactor tube into which it is to be placed in use.
  • the seal will be sized such that it interacts with the inner wall of the reactor tube when the catalyst carrier of the present invention is in position within the tube. Parameters such as carrier length and diameter will be selected to accommodate different reactions and configurations.
  • the monolith catalyst is a solid, in that there is substantially no space within the body of the monolith that is not occupied by catalyst.
  • the reactant(s) flow downwardly through the reactor tube, the reactant(s) first contacts the upper face of the monolith catalyst and flows therethrough in a direction parallel to the axis of the cylinder.
  • the seal of the container prevents the reactant(s) from flowing around the monolith and assists the direction of the reactants into the catalyst. Reaction will then occur within the monolith catalyst. The product will then also flow down through the monolith in a direction parallel to the axis of the cylinder.
  • the reactant(s) and product reach the bottom surface of the catalyst carrier they are directed towards the skirt of the carrier.
  • feet may be provided within the carrier on the upper face of the bottom surface such that, in use, the catalyst monolith is supported on the feet and there is a gap between the bottom of the catalyst monolith and the bottom surface of the catalyst carrier.
  • the upwardly extending skirt then directs the reactant(s) and product upwardly between the inner surface of the skirt and the outer surface of the monolith catalyst until they reach the underside of the seal. They are then directed, by the underside of the seal, over the end of the skirt and they then flow downwardly between the outer surface of the skirt and the inner surface of the reactor tube where heat transfer takes place.
  • the monolith catalyst has a channel extending longitudinally therethrough. Generally the channel will be located on the central axis of the monolith catalyst.
  • the monolith catalyst of this arrangement will be of annular cross-section.
  • reactant(s) flow downwardly through the reactor tube and thus first contacts the upper surface of the monolith catalyst.
  • the seal blocks the passage of the reactant(s) around the side of the catalyst. Since the path of flow of reactant(s) is impeded by the catalyst, it will generally take the easier path and enter the channel in the monolith.
  • the reactant(s) then enters the annular monolith catalyst and passes radially through the catalyst towards the outer surface of the catalyst monolith. During the passage through the catalyst monolith reaction occurs. Unreacted reactant and product then flow out of the monolith catalyst though the outer surface thereof.
  • the upwardly extending skirt then directs reactant and product upwardly between the inner surface of the skirt and the outer wall of the monolith catalyst until they reach the seal. They are then directed, by the underside of the seal, over the end of the skirt and flow downwardly between the outer surface of the skirt and the inner surface of the reactor tube where heat transfer takes place.
  • the catalyst carrier may include a top surface which will extend over the monolith catalyst but leave the channel uncovered. This top surface serves to ensure that the reactant(s) do not enter the catalyst monolith from the top but are directed into the channel for radial flow.
  • the reactor is an upflow reactor or is, for example, in a horizontal orientation
  • the flow path will differ from those described above.
  • the principle of the paths through the container and monolith catalysts will be as described.
  • a plurality of catalyst carriers will be stacked within a reactor tube.
  • the reactants/products flow downwardly between the outer surface of the skirt of a first carrier and the inner surface of the reactor tube until they contact the upper surface of the monolith catalyst and seal of a second carrier and are directed downwardly through the second monolith catalyst using the flow paths described above.
  • the catalyst carrier may be formed of any suitable material. Such material will generally be selected to withstand the operating conditions of the reactor. Generally, the catalyst carrier will be fabricated from carbon steel, aluminium, stainless steel, other alloys or any material able to withstand the reaction conditions. In an alternative arrangement the catalyst carrier may be formed from non-metallic materials.
  • the components of the container can be of any suitable thickness. Suitable thicknesses will be of the order of about 0.1 mm to about 1.0 mm, preferably of the order of about 0.3 mm to about 0.5 mm.
  • the surface closing the bottom of the tube may be formed as a single unit or they may be two separate pieces connected together.
  • the two surfaces may be coplanar but in a preferred arrangement, they are in different planes.
  • the portion of the bottom of the tube beneath the longitudinal channel is in a lower plane than the bottom surface of the remainder of the container. This serves to assist in the location of one carrier onto a carrier arranged below it when a plurality of containers are to be used. It will be understood that in an alternative arrangement, the surface of the bottom aligned with the channel of the tube may be in a higher plane that the bottom surface of the remainder of the container.
  • the bottom surface will generally be solid, it may include one or more drain holes. Where one or more drain holes are present, they may be covered by a filter mesh. Similarly a drain hole, optionally covered with a filter mesh may be present in the surface closing the bottom of the tube. Where the carrier is to be used in a non-vertical orientation, the drain hole, where present will be located in an alternative position i.e. one that is the lowest point in the carrier when in use.
  • One or more spacer means may extend downwardly from the bottom surface of the container.
  • The, or each, spacer means may be formed as separate components or they may be formed by depressions in the bottom surface. Where these spacer means are present they assist in providing a clear path for the reactants and products flowing between the bottom surface of the first carrier and the top surface of a second lower carrier in use.
  • the spacer may be of the order of about 4 mm to about 6 mm deep.
  • spacer means may be present on the top surface of the container where present or may extend upwardly from the seal.
  • the seal, or where present, the top surface may include on its upper surface means to locate the container against a catalyst carrier stacked above the container in use.
  • the means to locate the container may be of any suitable arrangement. In one arrangement it comprises one or more upstanding collars having apertures or spaces therein to allow for the ingress of reactants.
  • the means may act as baffles to direct the flow.
  • the upwardly extending skirt may be smooth or it may be shaped. Any suitable shape may be used. Suitable shapes include pleats, corrugations, and the like. The pleats, corrugations and the like will generally be arranged longitudinally along the length of the carrier.
  • the shaping of the upstanding skirt increases the surface area of the skirt and assists with the insertion of the catalyst carrier into the reaction tube since it will allow any surface roughness on the inner surface of the reactor tube or differences in tolerances in tubes to be accommodated.
  • the upwardly extending skirt is shaped, it will generally be flattened to a smooth configuration towards the point at which it is connected to the bottom surface to allow a gas seal to be formed therewith.
  • the upstanding skirt may be flexible.
  • the upstanding skirt will stop at about 0.5 cm to about 1.5 cm, preferably about 1 cm, short of the top surface of the monolith catalyst.
  • the upstanding skirt serves to gather the reactants/products from the outer surface of the annular container and direct them via the shapes towards the top of the catalyst carrier collecting more reactants/products exiting from the outer surface of the monolith catalyst as they move upwardly.
  • reactants/products are then directed down between the tube wall and the outside of the upstanding skirt.
  • the seal may be formed in any suitable manner. However, it will generally be sufficiently compressible to accommodate the smallest diameter of the reactor tube.
  • the seal will generally be a flexible, sliding seal. In one arrangement, an O-ring may be used. A compressible split ring or a ring having a high coefficient of expansion could be used.
  • the seal may be formed of any suitable material provided that it can withstand the reaction conditions. In one arrangement, it may be a deformable flange extending from the carrier. The flange may be sized to be larger than the internal diameter of the tube such that as the container is inserted into the tube it is deformed to fit inside and interact with the tube.
  • catalyst can be provided to the user within the carriers of the present invention which can then be readily installed within the reactor tubes with minimum downtime.
  • catalyst may be loaded into the catalyst carrier at the catalyst manufacturing site. It may be pre-reduced and stabilised or encapsulated obviating the need for catalyst handling on site.
  • the carriers can be readily removed from the reactor as discrete units and readily transported for disposal or regeneration as appropriate.
  • the catalyst carrier of the present invention allows the use catalysts for use in highly exothermic or endothermic reactions.
  • the device allows the use of large tubes leading to large weight and cost reductions for a reactor of a given capacity since heat transfer effectively takes place in a micro-channel zone at the tube wall. This gives excellent heat transfer to or from the cooling/heating medium.
  • a larger temperature difference can be allowed as the heat exchange effect is separated from the reaction.
  • a plurality of carriers of the present invention is inserted into a tube this effectively provides a plurality of adiabatic reactors in series in each tube.
  • the catalyst carrier may be used in a wide range of processes.
  • suitable processes include reactors for exothermic reactions such as reactions for the production of methanol, reactions for the production of ammonia, methanation reactions, shift reactions, oxidation reactions such as the formation of maleic anhydride and ethylene oxide, Fischer-Tropsch reactions, and the like. Endothermic reactions such as pre-reforming, dehydrogenation and the like can be carried out in reactors including the catalyst carriers of the present invention.
  • the monolith catalyst carrier of the present invention may be filled or partially filled with any suitable catalyst.
  • a reactor tube comprising a plurality of catalyst carriers of the above-mentioned first aspect of the present invention.
  • a reactor comprising one or more of the reactor tubes of the above second aspect.
  • a process for carrying out a reaction wherein the reactants enter into a catalyst carrier of the above first aspect, a reactor tube of the above second aspect, or a reactor of the above third aspect.
  • the catalyst carriers of the present invention allow longer reactor tubes to be used than has been possible heretofore.
  • FIG. 1 is a schematic representation of one embodiment of the present invention, illustrating the flow path
  • FIG. 2 is a schematic representation of a second embodiment of the present invention, illustrating the flow path
  • FIG. 3 is a schematic representation of the flow path between two stacked carriers.
  • a catalyst carrier 1 of one embodiment of the present invention is illustrated in FIG. 1 .
  • a bottom surface 2 closes the bottom of the container 1 .
  • Feet 3 extend upwardly from the bottom surface to support the monolith catalyst 4 .
  • An upstanding skirt 5 extends from the bottom surface 2 .
  • the skirt may be corrugated and may be flattened as in a region towards the bottom surface 3 .
  • a seal 6 is provided to extend from the monolith catalyst 4 and interact with the wall of the reactor tube 7 .
  • Baffles 8 extend upwardly for the seal. These serve to direct flow and to separate the carrier from the bottom surface of a carrier located above the carrier. The flow of gas is illustrated schematically by the arrows.
  • FIG. 2 An alternative embodiment of the present invention is illustrated in FIG. 2 .
  • the monolith catalyst 4 has a longitudinal channel 9 therethrough.
  • the feet of the first embodiment may be omitted.
  • This carrier is similar in arrangement to the first embodiment.
  • a top surface 10 is provided to cover the upper surface of the monolith catalyst.
  • the flow of gas in the arrangement of FIG. 2 is illustrated schematically by the arrows.
  • the tube may be of non-circular cross-section for example, it may be a plate reactor.
  • the carrier will be of the appropriate shape.
  • the embodiment described in which an annular monolith is used will not be a circular ring and this term should be construed accordingly.
  • skirt of the carrier may be omitted. This arrangement may be suitable in situations where the exothermic/endothermic reaction does not shift the temperature significantly.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catalysts (AREA)
US13/580,920 2011-04-04 2012-02-06 Monolithic reactor Active 2032-03-25 US9012358B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB201105691A GB201105691D0 (en) 2011-04-04 2011-04-04 Apparatus
GB1105691.8 2011-04-04
PCT/GB2012/050257 WO2012136971A1 (en) 2011-04-04 2012-02-06 Monolithic reactor

Publications (2)

Publication Number Publication Date
US20140018451A1 US20140018451A1 (en) 2014-01-16
US9012358B2 true US9012358B2 (en) 2015-04-21

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US13/580,920 Active 2032-03-25 US9012358B2 (en) 2011-04-04 2012-02-06 Monolithic reactor

Country Status (16)

Country Link
US (1) US9012358B2 (zh)
EP (1) EP2531289B1 (zh)
JP (1) JP5946899B2 (zh)
KR (1) KR20140005752A (zh)
CN (1) CN102844109B (zh)
AP (1) AP3501A (zh)
AU (1) AU2012211334B2 (zh)
BR (1) BR112012019516A2 (zh)
CA (1) CA2789445A1 (zh)
CL (1) CL2012002780A1 (zh)
DK (1) DK2531289T3 (zh)
EA (1) EA201201079A1 (zh)
EG (1) EG26841A (zh)
GB (1) GB201105691D0 (zh)
TW (1) TWI537053B (zh)
WO (1) WO2012136971A1 (zh)

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US10434484B1 (en) 2019-03-29 2019-10-08 Emerging Fuels Technology, Inc. Stacked zone vertical tubular reactor
US11565227B2 (en) 2021-01-27 2023-01-31 Emerging Fuels Technology, Inc. Heat transfer elements

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JP6221369B2 (ja) * 2013-06-11 2017-11-01 宇部興産株式会社 ガスの処理装置及びガスの処理カートリッジ
JP6194649B2 (ja) * 2013-06-14 2017-09-13 宇部興産株式会社 ガスの処理装置及びガスの処理カートリッジ
CN105939780B (zh) * 2014-01-29 2020-01-17 庄信万丰股份有限公司 用于与催化剂结构一起使用的密封件
GB201417462D0 (en) * 2014-10-02 2014-11-19 Johnson Matthey Davy Technologies Ltd Apparatus and process
GB201506572D0 (en) 2015-04-17 2015-06-03 Johnson Matthey Davy Technologies Ltd Process
JP7085431B2 (ja) * 2018-07-13 2022-06-16 三菱重工エンジニアリング株式会社 触媒反応器
CN112142491B (zh) * 2020-09-18 2022-02-22 西安交通大学 化学链制氢的整体式载氧体、制备方法、制氢系统和方法
GB202015180D0 (en) 2020-09-25 2020-11-11 Johnson Matthey Davy Technologies Ltd Methods and apparatus for installation and removal of catalyst carriers
GB202015181D0 (en) 2020-09-25 2020-11-11 Johnson Matthey Davy Technologies Ltd Improvements in or relating to thermocouples for tubular reactions
GB202015186D0 (en) 2020-09-25 2020-11-11 Johnson Matthey Davy Technologies Ltd Improvements in or relating to catalyst carriers for tubular reactors and associated methods
GB202015189D0 (en) 2020-09-25 2020-11-11 Johnson Matthey Davy Technologies Ltd Improvements in or relating to tubular reactors
GB202016416D0 (en) 2020-10-16 2020-12-02 Johnson Matthey Davy Technologies Ltd Process for synthesising hydrocarbons
GB202019079D0 (en) 2020-12-03 2021-01-20 Johnson Matthey Davy Technologies Ltd Method for shutting down a fischer-tropsch reactor
GB202202226D0 (en) 2022-02-18 2022-04-06 Johnson Matthey Davy Technologies Ltd Apparatus and methods for installation and removal of catalyst carriers
GB202203700D0 (en) 2022-03-17 2022-05-04 Johnson Matthey Davy Technologies Ltd Improvements in or relating to catalyst carriers for tubular reactors and associated methods
GB202208816D0 (en) 2022-06-15 2022-07-27 Johnson Matthey Davy Technologies Ltd Improvements in or relating to catalyst carriers for tubular reactors
GB2622936A (en) 2022-09-09 2024-04-03 Johnson Matthey Davy Technologies Ltd Method for controlling a process comprising a steam system coupled to a reactor system
GB202306773D0 (en) 2023-05-09 2023-06-21 Johnson Matthey Davy Technologies Ltd Method for controlling a process comprising a steam system coupled to a fischer-tropsch reactor system
GB202213603D0 (en) 2022-09-16 2022-11-02 Johnson Matthey Davy Technologies Ltd Methods and tools relating to catalyst carriers
GB202213993D0 (en) 2022-09-26 2022-11-09 Johnson Matthey Davy Technologies Ltd Methods and apparatus for controlled discharge of components from a tube
GB202216580D0 (en) 2022-11-08 2022-12-21 Johnson Matthey Davy Technologies Ltd Improvements in or relating to monitoring of chemical reactors
GB202300515D0 (en) 2023-01-13 2023-03-01 Johnson Matthey Davy Technologies Ltd Process for synthesising hydrocarbons

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